Description

Diethyl trans-4-Cyclohexene-1,2-Dicarboxylate is a high-purity, versatile diester intermediate characterized by its unique cyclohexene ring structure. This compound is valued for its role as a key building block in sophisticated organic synthesis, enabling the construction of complex molecular architectures. It is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for scale-up and production.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a functionalized cyclohexane scaffold.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators where its ester groups and ring system offer valuable synthetic handles.
• Fine Chemical Production: Acts as a building block for fragrances, flavors, and specialty chemicals requiring specific stereochemistry and functional group compatibility.
• Polymer & Material Science: Employed in the research and development of specialty polymers, resins, and liquid crystals, where the cyclohexene core can influence material properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for Diels-Alder reactions, hydrogenation studies, and other transformative chemical processes.

Basic Information

Product Name	Diethyl trans-4-Cyclohexene-1,2-Dicarboxylate
CAS No.	5048-50-0
Molecular Formula	C12H18O4
Molecular Weight	226.27 g/mol
Synonyms	trans-1,2-Cyclohexanedicarboxylic Acid Diethyl Ester; Diethyl (1R,2R)-4-Cyclohexene-1,2-dicarboxylate; Diethyl 4-Cyclohexene-1,2-dicarboxylate; 4-Cyclohexene-1,2-dicarboxylic Acid Diethyl Ester; Diethyl trans-δ⁴-Tetrahydrophthalate; NSC 163044; Ethyl trans-4-Cyclohexene-1,2-dicarboxylate
EINECS	225-734-4

Quality Control

Our Diethyl trans-4-Cyclohexene-1,2-Dicarboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.460 - 1.470
Density (g/mL, 20°C)	1.080 - 1.100

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.